154 lines
4.4 KiB
C
154 lines
4.4 KiB
C
/**
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******************************************************************************
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* File Name : ADC.c
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* Description : This file provides code for the configuration
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* of the ADC instances.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2020 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "adc.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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ADC_HandleTypeDef hadc1;
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/* ADC1 init function */
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void MX_ADC1_Init(void)
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{
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ADC_MultiModeTypeDef multimode = {0};
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ADC_ChannelConfTypeDef sConfig = {0};
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/** Common config
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*/
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hadc1.Instance = ADC1;
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hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
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hadc1.Init.Resolution = ADC_RESOLUTION_12B;
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hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
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hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
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hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
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hadc1.Init.LowPowerAutoWait = DISABLE;
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hadc1.Init.ContinuousConvMode = DISABLE;
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hadc1.Init.NbrOfConversion = 1;
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hadc1.Init.DiscontinuousConvMode = DISABLE;
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hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
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hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
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hadc1.Init.DMAContinuousRequests = DISABLE;
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hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;
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hadc1.Init.OversamplingMode = DISABLE;
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if (HAL_ADC_Init(&hadc1) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure the ADC multi-mode
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*/
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multimode.Mode = ADC_MODE_INDEPENDENT;
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if (HAL_ADCEx_MultiModeConfigChannel(&hadc1, &multimode) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure Regular Channel
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*/
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sConfig.Channel = ADC_CHANNEL_3;
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sConfig.Rank = ADC_REGULAR_RANK_1;
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sConfig.SamplingTime = ADC_SAMPLETIME_2CYCLES_5;
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sConfig.SingleDiff = ADC_SINGLE_ENDED;
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sConfig.OffsetNumber = ADC_OFFSET_NONE;
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sConfig.Offset = 0;
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if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
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{
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Error_Handler();
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}
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}
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void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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if(adcHandle->Instance==ADC1)
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{
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/* USER CODE BEGIN ADC1_MspInit 0 */
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/* USER CODE END ADC1_MspInit 0 */
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/** Initializes the peripherals clock
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*/
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
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PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_PLLSAI1;
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PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSAI1SOURCE_MSI;
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PeriphClkInit.PLLSAI1.PLLSAI1M = 2;
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PeriphClkInit.PLLSAI1.PLLSAI1N = 16;
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PeriphClkInit.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV7;
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PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV2;
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PeriphClkInit.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV2;
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PeriphClkInit.PLLSAI1.PLLSAI1ClockOut = RCC_PLLSAI1_ADC1CLK;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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{
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Error_Handler();
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}
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/* ADC1 clock enable */
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__HAL_RCC_ADC_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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/**ADC1 GPIO Configuration
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PC2 ------> ADC1_IN3
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_2;
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GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/* ADC1 interrupt Init */
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HAL_NVIC_SetPriority(ADC1_2_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(ADC1_2_IRQn);
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/* USER CODE BEGIN ADC1_MspInit 1 */
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/* USER CODE END ADC1_MspInit 1 */
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}
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}
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void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
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{
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if(adcHandle->Instance==ADC1)
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{
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/* USER CODE BEGIN ADC1_MspDeInit 0 */
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/* USER CODE END ADC1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_ADC_CLK_DISABLE();
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/**ADC1 GPIO Configuration
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PC2 ------> ADC1_IN3
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*/
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_2);
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/* ADC1 interrupt Deinit */
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HAL_NVIC_DisableIRQ(ADC1_2_IRQn);
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/* USER CODE BEGIN ADC1_MspDeInit 1 */
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/* USER CODE END ADC1_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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